A differential microphone for in-duct acoustic measurements /

Bibliographic Details
Main Author:	Riley, C. M. E.
Corporate Author:	Aeronautical Research Council (Great Britain)
Format:	Book
Language:	English
Published:	London : Her Majesty's Stationery Office, 1977.
Series:	Reports and memoranda (Aeronautical Research Council (Great Britain)) ; no. 3799.
Subjects:	Rotors (Helicopters) > Noise > Testing.

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